Wankband – The wearable tech that allows you to love the planet, by loving yourself… – YouTube Now this should work if you’re jumping, running partying via FastCodesign…

Wankband contains a small weight which moves back and forth with your arm, turning your kinetic energy into electrical energy, which you can then use to power your phone, tablet, or whatever else you’d like to envision as jizz-powered. The simple display on the wearable’s face shows the amount of power you’ve stored so far.